status, diff: display correct path for multi-manifest

Display the project path relative to the outermost manifest by default,
and relative to the sub manifest only when --this-manifest-only is
specified.

For project-related diagnostic messages, use the outermost manifest for
messages.

Change-Id: I4537d7dd412a2c182e77d6720e95c1b0ef70eb0e
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/340754
Reviewed-by: Mike Frysinger <vapier@google.com>
Tested-by: LaMont Jones <lamontjones@google.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/subcmds/diff.py b/subcmds/diff.py
index a1f4ba88..a606ee9a 100644
--- a/subcmds/diff.py
+++ b/subcmds/diff.py
@@ -35,18 +35,21 @@ to the Unix 'patch' command.
                  dest='absolute', action='store_true',
                  help='paths are relative to the repository root')
 
-  def _ExecuteOne(self, absolute, project):
+  def _ExecuteOne(self, absolute, local, project):
     """Obtains the diff for a specific project.
 
     Args:
       absolute: Paths are relative to the root.
+      local: a boolean, if True, the path is relative to the local
+             (sub)manifest.  If false, the path is relative to the
+             outermost manifest.
       project: Project to get status of.
 
     Returns:
       The status of the project.
     """
     buf = io.StringIO()
-    ret = project.PrintWorkTreeDiff(absolute, output_redir=buf)
+    ret = project.PrintWorkTreeDiff(absolute, output_redir=buf, local=local)
     return (ret, buf.getvalue())
 
   def Execute(self, opt, args):
@@ -63,7 +66,7 @@ to the Unix 'patch' command.
 
     return self.ExecuteInParallel(
         opt.jobs,
-        functools.partial(self._ExecuteOne, opt.absolute),
+        functools.partial(self._ExecuteOne, opt.absolute, opt.this_manifest_only),
         all_projects,
         callback=_ProcessResults,
         ordered=True)